Stacked trays convertible to open display cases



FIG. 1 is a perspective view of my design;

FIG. 2 is a side elevation view of my design;

FIG. 3 is a front elevation view of my design;

FIG. 4 is a bottom view of my design;

FIG. 5 is a top view of my design;

FIG. 6 is a front elevation view of my design in an open position;

FIG. 7 is a top view of my design in an open position;

FIG. 8 is a rear elevation view of my design in an open position;

FIG. 9 is a side elevation view of my design in an open position;

FIG. 10 is a bottom view of my design in an open position;

FIG. 11 is a side elevation view opposite the side shown in FIG. 9; and,

FIG. 12 is a top plan view of one of the trays forming my stacked tray design which has been shown separately for convenience of illustration. 

The ornamental design for stacked trays convertible to open display cases, as shown and described. 